package com.itheima.reggie.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

@Component
@Slf4j
public class MyMetaObjecthandler implements MetaObjectHandler {
   /*
   执行插入时，在sql语句执行前，把对象参数传递过来
    */
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("当前线程id:{}",Thread.currentThread().getId());
        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("createUser", BaseContext.getCurrentId());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }

    /*
    执行更新操作时
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("当前线程id:{}",Thread.currentThread().getId());
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }
}
